Casing And Tubing Introduction News-Richsen

Casing and tubing strings are the main parts of the well construction. All wells drilled for the purpose of oil or gas production (or injecting materials into underground formations) must be cased with material with sufficient strength and functionality.Oil casing&tubing pipe is also known as seamless tube. The most popular use is to surround and protect smaller carrier pipes for utilities such as water mains, natural gas lines, electrical lines, and communication lines. casing&tubing can also be used in a variety of construction projects. OCTG Producing Steel Casing&tubing Pipe in a variety of sizes, Threads and diameters, generally starting at1.50"up to 4-1/2" and 4 1/2’’ up to 20"diameter ,material is J55/K55/N80/L80-1/L80-13Cr/P110/Q125 etc.and the type of threading is EUE/NUE/BTC/LTC/STC/Premium Threading, and also supply OEM and ODM services.